:root {
  color: #25294f;
  background: #f1f9fc;
  font-family: Inter, "Noto Sans SC", "PingFang SC", system-ui, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 86% 3%, #fce9bd 0, transparent 21rem),
    linear-gradient(180deg, #e8f7fc 0, #f7fbfc 28rem, #f5f8fb 100%);
  line-height: 1.7;
}

a {
  color: #4f39a5;
  text-underline-offset: 4px;
}

a:hover {
  color: #372680;
}

.seo-header,
.seo-main,
.seo-footer {
  width: min(100% - 32px, 1040px);
  margin-inline: auto;
}

.seo-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 76px;
}

.seo-brand {
  color: #25294f;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -.03em;
  text-decoration: none;
}

.seo-header nav,
.seo-actions,
.seo-breadcrumbs ol {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.seo-header nav a {
  font-size: 14px;
  font-weight: 650;
}

.seo-main {
  padding: 16px 0 70px;
}

.seo-breadcrumbs {
  margin: 0 0 18px;
  color: #717895;
  font-size: 13px;
}

.seo-breadcrumbs ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.seo-breadcrumbs li + li::before {
  content: "/";
  margin-right: 12px;
  color: #a3a8ba;
}

.seo-breadcrumbs a {
  color: inherit;
}

.seo-hero {
  padding: clamp(28px, 6vw, 64px);
  border: 1px solid #dce8f1;
  border-radius: 28px;
  background: linear-gradient(130deg, #fff 2%, #effbff 55%, #fff5df 100%);
  box-shadow: 0 18px 55px rgb(47 63 100 / 8%);
}

.seo-eyebrow {
  margin: 0 0 12px;
  color: #e47767;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  color: #25294f;
  line-height: 1.2;
}

h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(34px, 6vw, 58px);
  letter-spacing: -.055em;
}

.seo-lead {
  max-width: 720px;
  margin: 20px 0 0;
  color: #555d7a;
  font-size: clamp(17px, 2.3vw, 20px);
}

.seo-actions {
  margin-top: 26px;
}

.seo-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid #4f39a5;
  border-radius: 14px;
  color: #fff;
  background: #4f39a5;
  font-weight: 750;
  text-decoration: none;
  box-shadow: 0 5px 0 rgb(48 35 110 / 13%);
}

.seo-button:hover {
  color: #fff;
  background: #3e2c8b;
}

.seo-button--secondary {
  border-color: #d8d4ec;
  color: #4f39a5;
  background: #fff;
  box-shadow: none;
}

.seo-button--secondary:hover {
  color: #372680;
  background: #f8f6ff;
}

.seo-note {
  margin: 18px 0 0;
  color: #747b93;
  font-size: 13px;
}

.seo-section {
  margin-top: clamp(34px, 6vw, 58px);
}

.seo-section > h2 {
  margin: 0 0 12px;
  font-size: clamp(24px, 3.6vw, 34px);
  letter-spacing: -.035em;
}

.seo-section > p {
  max-width: 760px;
  color: #5c637e;
}

.seo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.seo-card {
  padding: 22px;
  border: 1px solid #e0e8ef;
  border-radius: 18px;
  background: rgb(255 255 255 / 88%);
}

.seo-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.seo-card p {
  margin: 0;
  color: #626982;
  font-size: 15px;
}

.seo-faq details {
  padding: 17px 0;
  border-bottom: 1px solid #dde5ec;
}

.seo-faq summary {
  color: #25294f;
  font-weight: 750;
  cursor: pointer;
}

.seo-faq details p {
  max-width: 800px;
  margin: 9px 0 0;
  color: #5c637e;
}

.seo-footer {
  padding: 22px 0 34px;
  border-top: 1px solid #dce5ec;
  color: #737b91;
  font-size: 13px;
}

.seo-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 8px;
}

.seo-footer a {
  color: inherit;
}

@media (max-width: 700px) {
  .seo-header {
    min-height: 66px;
  }

  .seo-brand {
    font-size: 15px;
  }

  .seo-header nav {
    gap: 8px;
  }

  .seo-header nav a {
    font-size: 12px;
  }

  .seo-grid {
    grid-template-columns: 1fr;
  }

  .seo-hero {
    border-radius: 20px;
  }

  .seo-button {
    width: 100%;
  }
}
